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From Louis Hust <louis.h...@gmail.com>
Subject HMaster restart with error
Date Sat, 16 May 2015 03:22:03 GMT
Hi all,

I use hbase0.96.0 with hadoop 2.2.0,
and the custom said they can not write into hbase cluster,
So i stop the HMaster and start it soon,

But it seems that the HMaster not response to request, following is the
HMaster log:

{logs}
2015-05-15 12:13:33,136 INFO  [AM.ZK.Worker-pool2-t16] master.RegionStates:
Transitioned {9036a3befee90eeffb9082f90a4a9afa state=OPENING,
ts=1431663212637, server=l-hbase26.data.cn8.qunar.com,60020,1431462615651}
to {9036a3befee90eeffb9082f90a4a9afa state=OPEN, ts=1431663213136, server=
l-hbase26.data.cn8.qunar.com,60020,1431462615651}
2015-05-15 12:13:33,139 INFO  [AM.ZK.Worker-pool2-t4] master.RegionStates:
Onlined 9036a3befee90eeffb9082f90a4a9afa on l-hbase26.data.cn8.qunar.com
,60020,1431462615651
2015-05-15 12:14:40,699 INFO  [main-EventThread]
zookeeper.RegionServerTracker: RegionServer ephemeral node deleted,
processing expiration [l-hbase27.data.cn8.qunar.com,60020,1431663208899]
2015-05-15 12:15:04,899 INFO  [main-EventThread]
zookeeper.RegionServerTracker: RegionServer ephemeral node deleted,
processing expiration [l-hbase25.data.cn8.qunar.com,60020,1431663193865]
2015-05-15 12:15:24,465 WARN  [249240421@qtp-591022857-33]
client.HConnectionManager$HConnectionImplementation: Checking master
connection
com.google.protobuf.ServiceException: java.net.SocketTimeoutException: Call
to l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000 failed because
java.net.SocketTimeoutException: 60000 millis timeout while waiting for
channel to be ready for read. ch :
java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700 remote=
l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
at
org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1667)
at
org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1708)
at
org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingStub.isMasterRunning(MasterProtos.java:40216)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterServiceState.isMasterRunning(HConnectionManager.java:1484)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.isKeepAliveMasterConnectedAndRunning(HConnectionManager.java:2110)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterService(HConnectionManager.java:1836)
at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:2531)
at org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:298)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.__jamon_innerUnit__userTables(MasterStatusTmplImpl.java:530)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:255)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:382)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:372)
at
org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:95)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
at
org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at
org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1081)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.net.SocketTimeoutException: Call to
l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000 failed because
java.net.SocketTimeoutException: 60000 millis timeout while waiting for
channel to be ready for read. ch :
java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700 remote=
l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
at org.apache.hadoop.hbase.ipc.RpcClient.wrapException(RpcClient.java:1475)
at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1450)
at
org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1650)
... 37 more
Caused by: java.net.SocketTimeoutException: 60000 millis timeout while
waiting for channel to be ready for read. ch :
java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700 remote=
l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
at
org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:164)
at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:161)
at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:131)
at java.io.FilterInputStream.read(FilterInputStream.java:133)
at java.io.FilterInputStream.read(FilterInputStream.java:133)
at
org.apache.hadoop.hbase.ipc.RpcClient$Connection$PingInputStream.read(RpcClient.java:553)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
at java.io.DataInputStream.readInt(DataInputStream.java:387)
at
org.apache.hadoop.hbase.ipc.RpcClient$Connection.readResponse(RpcClient.java:1057)
at org.apache.hadoop.hbase.ipc.RpcClient$Connection.run(RpcClient.java:719)
Fri May 15 12:15:58 CST 2015 Terminating master
{/logs}
So what the exception means? Why? and how to solve the problem?

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